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| author | Richard Guenther <rguenther@suse.de> | 2006-10-21 10:40:57 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2006-10-21 10:40:57 +0000 |
| commit | 5a4171a01d9f9041175a6b7c473ed43a623bea0b (patch) | |
| tree | 920fe30a666b06d4d7b205bcb081ff810fd269c1 | |
| parent | 120a56cb6790478018765a520376d2f304bdb74c (diff) | |
| download | gcc-5a4171a01d9f9041175a6b7c473ed43a623bea0b.zip gcc-5a4171a01d9f9041175a6b7c473ed43a623bea0b.tar.gz gcc-5a4171a01d9f9041175a6b7c473ed43a623bea0b.tar.bz2 | |
re PR target/19116 (-funsafe-math-optimizations make nan compares equal to one another (-finite-math-only should be doing that))
2006-10-21 Richard Guenther <rguenther@suse.de>
PR target/19116
* config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
if flag_unsafe_math_optimizations is specified. We have
flag_finite_math_only for that.
* config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
or flag_unsafe_math_optimizations.
From-SVN: r117930
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 2 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 3 |
3 files changed, 11 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index bbf20f9..0bb59aa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,14 @@ 2006-10-21 Richard Guenther <rguenther@suse.de> + PR target/19116 + * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP + if flag_unsafe_math_optimizations is specified. We have + flag_finite_math_only for that. + * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP + or flag_unsafe_math_optimizations. + +2006-10-21 Richard Guenther <rguenther@suse.de> + * builtins.c (fold_builtin_classify): Fix typo. 2006-10-21 Richard Guenther <rguenther@suse.de> diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 6be47cd..8b2c798 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1847,7 +1847,7 @@ override_options (void) /* If we're doing fast math, we don't care about comparison order wrt NaNs. This lets us use a shorter comparison sequence. */ - if (flag_unsafe_math_optimizations) + if (flag_finite_math_only) target_flags &= ~MASK_IEEE_FP; /* If the architecture always has an FPU, turn off NO_FANCY_MATH_387, diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 639f0b4..d24b32a 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -15560,8 +15560,7 @@ (define_insn "sqrtxf2" [(set (match_operand:XF 0 "register_operand" "=f") (sqrt:XF (match_operand:XF 1 "register_operand" "0")))] - "TARGET_USE_FANCY_MATH_387 - && (TARGET_IEEE_FP || flag_unsafe_math_optimizations) " + "TARGET_USE_FANCY_MATH_387" "fsqrt" [(set_attr "type" "fpspc") (set_attr "mode" "XF") |